OpenTechnical

OT-2026-000041853

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000041853) never changes.

Identity and time

Publication numberOT-2026-000041853 · never reused
Internal UUID01a0ae79-e8a5-7016-b1c1-7dae5c7c1b25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041853
StatusPUBLIC

Content hashes

Canonical text5cbaf7ab21cb96457c7210bd78e547b6c7756292b99a1a219d34d39a98976b3b
Markdownf2f9145a04371e0ce443ee110cef033d5127bea3dea6861ada68a28b00fdaa27
PDF
Publication page44f07b2af288548e1b8cf4910332b22a6222a116ee0c9f0c4a75698653478b4d
Manifestdefbfa70397ba37274d860531a23bd5094f65357eee4d73bef553c761976db34

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturexrp0g0YM+Mp8M+NyA7ZK5VanOBMWROEdjOc+zPD4g0BQKYcQhztJvXuG5VhnM6ZMtaSMZdA9zzA5GqXkWYJsAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:43.373167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041853
observed 44f07b2af288548e1b8cf4910332b22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.356246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041853/manifest.json
observed defbfa70397ba37274d860531a23bd50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.337765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041853/publication.md
observed f2f9145a04371e0ce443ee110cef033d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.321851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041853/publication.txt
observed 5cbaf7ab21cb96457c7210bd78e547b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.